CN104428834B - 用于使用基函数系数的三维音频译码的系统、方法、设备和计算机可读媒体 - Google Patents

用于使用基函数系数的三维音频译码的系统、方法、设备和计算机可读媒体 Download PDF

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CN104428834B
CN104428834B CN201380037024.8A CN201380037024A CN104428834B CN 104428834 B CN104428834 B CN 104428834B CN 201380037024 A CN201380037024 A CN 201380037024A CN 104428834 B CN104428834 B CN 104428834B
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basis function
function coefficients
audio signal
sound field
coefficients
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CN104428834A (zh
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D·森
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Qualcomm Inc
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
CN201380037024.8A 2012-07-15 2013-07-12 用于使用基函数系数的三维音频译码的系统、方法、设备和计算机可读媒体 Active CN104428834B (zh)

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US201261671791P 2012-07-15 2012-07-15
US61/671,791 2012-07-15
US13/844,383 2013-03-15
US13/844,383 US9190065B2 (en) 2012-07-15 2013-03-15 Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
PCT/US2013/050222 WO2014014757A1 (en) 2012-07-15 2013-07-12 Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients

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CN104428834A CN104428834A (zh) 2015-03-18
CN104428834B true CN104428834B (zh) 2017-09-08

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US (2) US9190065B2 (enExample)
EP (1) EP2873072B1 (enExample)
JP (1) JP6062544B2 (enExample)
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WO (1) WO2014014757A1 (enExample)

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WO2014014757A1 (en) 2014-01-23
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